PDA60A2 photodetector based on 6x6mm large size target surface photodiode, response wavelength 320-1100nm, bandwidth DC-10MHz, With amplifier circuit with 10^3 gain.
Pulsed EDFA erbium-doped fiber amplifier, C-band, commonly used after the acousto-optic modulator to achieve the amplification of pulsed optical signals, common in distributed fiber optic sensing systems, LIDAR and other applications.